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<a href="#camel-camel-uid-cache.description" class="shortcut">Description</a>
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<a name="camel-camel-uid-cache"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
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<h2><span class="refentrytitle"><a name="camel-camel-uid-cache.top_of_page"></a>camel-uid-cache</span></h2>
<p>camel-uid-cache</p>
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<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="camel-camel-uid-cache.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"> <a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache">CamelUIDCache</a>;
<a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="returnvalue">CamelUIDCache</span></a> * <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-new" title="camel_uid_cache_new ()">camel_uid_cache_new</a> (<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-save" title="camel_uid_cache_save ()">camel_uid_cache_save</a> (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>);
<span class="returnvalue">void</span> <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-destroy" title="camel_uid_cache_destroy ()">camel_uid_cache_destroy</a> (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>);
<span class="returnvalue">GPtrArray</span> * <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-get-new-uids" title="camel_uid_cache_get_new_uids ()">camel_uid_cache_get_new_uids</a> (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>,
<em class="parameter"><code><span class="type">GPtrArray</span> *uids</code></em>);
<span class="returnvalue">void</span> <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-save-uid" title="camel_uid_cache_save_uid ()">camel_uid_cache_save_uid</a> (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *uid</code></em>);
<span class="returnvalue">void</span> <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-free-uids" title="camel_uid_cache_free_uids ()">camel_uid_cache_free_uids</a> (<em class="parameter"><code><span class="type">GPtrArray</span> *uids</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="camel-camel-uid-cache.description"></a><h2>Description</h2>
<p>
</p>
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<div class="refsect1">
<a name="camel-camel-uid-cache.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="CamelUIDCache"></a><h3>CamelUIDCache</h3>
<pre class="programlisting">typedef struct {
gchar *filename;
GHashTable *uids;
guint level;
gsize expired;
gsize size;
gint fd;
} CamelUIDCache;
</pre>
<p>
</p>
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<hr>
<div class="refsect2">
<a name="camel-uid-cache-new"></a><h3>camel_uid_cache_new ()</h3>
<pre class="programlisting"><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="returnvalue">CamelUIDCache</span></a> * camel_uid_cache_new (<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>);</pre>
<p>
Creates a new UID cache, initialized from <em class="parameter"><code>filename</code></em>. If <em class="parameter"><code>filename</code></em>
doesn't already exist, the UID cache will be empty. Otherwise, if
it does exist but can't be read, the function will return <code class="literal">NULL</code>.
</p>
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<td><p><span class="term"><em class="parameter"><code>filename</code></em> :</span></p></td>
<td>path to load the cache from</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new UID cache, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-uid-cache-save"></a><h3>camel_uid_cache_save ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> camel_uid_cache_save (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>);</pre>
<p>
Attempts to save <em class="parameter"><code>cache</code></em> back to disk.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a CamelUIDCache</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>success or failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-uid-cache-destroy"></a><h3>camel_uid_cache_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_uid_cache_destroy (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>);</pre>
<p>
Destroys <em class="parameter"><code>cache</code></em> and frees its data.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a CamelUIDCache</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-uid-cache-get-new-uids"></a><h3>camel_uid_cache_get_new_uids ()</h3>
<pre class="programlisting"><span class="returnvalue">GPtrArray</span> * camel_uid_cache_get_new_uids (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>,
<em class="parameter"><code><span class="type">GPtrArray</span> *uids</code></em>);</pre>
<p>
Returns an array of UIDs from <em class="parameter"><code>uids</code></em> that are not in <em class="parameter"><code>cache</code></em>, and
removes UIDs from <em class="parameter"><code>cache</code></em> that aren't in <em class="parameter"><code>uids</code></em>.
</p>
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<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a CamelUIDCache</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uids</code></em> :</span></p></td>
<td>an array of UIDs</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an array of new UIDs, which must be freed with
<a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-free-uids" title="camel_uid_cache_free_uids ()"><code class="function">camel_uid_cache_free_uids()</code></a>.</td>
</tr>
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</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-uid-cache-save-uid"></a><h3>camel_uid_cache_save_uid ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_uid_cache_save_uid (<em class="parameter"><code><a class="link" href="camel-camel-uid-cache.html#CamelUIDCache" title="CamelUIDCache"><span class="type">CamelUIDCache</span></a> *cache</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *uid</code></em>);</pre>
<p>
Marks a uid for saving.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a CamelUIDCache</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uid</code></em> :</span></p></td>
<td>a uid to save</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-uid-cache-free-uids"></a><h3>camel_uid_cache_free_uids ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_uid_cache_free_uids (<em class="parameter"><code><span class="type">GPtrArray</span> *uids</code></em>);</pre>
<p>
Frees the array of UIDs.
</p>
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<td><p><span class="term"><em class="parameter"><code>uids</code></em> :</span></p></td>
<td>an array returned from <a class="link" href="camel-camel-uid-cache.html#camel-uid-cache-get-new-uids" title="camel_uid_cache_get_new_uids ()"><code class="function">camel_uid_cache_get_new_uids()</code></a>
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